<template>
	<Header></Header>
	<div class="courseContainer">
	    <div class="courseInfoTop">
	        <div class="info-container">
                <ul class="route">
                    <li class="route-item" style="cursor: pointer">
                        <router-link to="/course" style="color: #fff">课程</router-link>
                    </li>
                    <li class="route-item"><i class="el-icon-arrow-right"></i></li>
                    <li class="route-item" style="cursor: pointer">
                        {{ courseInfo.discountPrice === 0 ? '免费课' : '会员课程'}}
                    </li>
                    <li class="route-item"><i class="el-icon-arrow-right"></i></li>
                    <li class="route-item">{{ courseInfo.courseName }}</li>
                </ul>
                <div class="name">{{ courseInfo.courseName }}</div>
                <div class="info">
                    <div class="Avat">
                        <img src="../assets/img/Avat62.png" alt="" />
                    </div>
                    <ul class="teacherName">
                        <li class="name-item">
                            {{ courseInfo.courseName }}
                            <img src="../assets/img/teacherStart.png" alt="" />
                        </li>
                        <li class="name-item">金牌讲师</li>
                    </ul>
                    <ul class="access">
                        <li class="access-item">难度</li>
                        <li class="access-item">{{ courseTypeFn(courseInfo.courseLevel) }}</li>
                        <li class="access-item">·</li>
                        <li class="access-item">时长</li>
                        <li class="access-item">{{ courseInfo.totalHour }}个小时</li>
                        <li class="access-item">·</li>
                        <li class="access-item">学习人数</li>
                        <li class="access-item">{{ courseInfo.purchaseCounter + courseInfo.purchaseCnt }}人</li>
                        <li class="access-item">·</li>
                        <li class="access-item">综合评分</li>
                        <li class="access-item">10.00</li>
                    </ul>
                </div>
	        </div>
	    </div>

	    <div class="info-nav">
	        <div class="nav-container">
	            <div class="chapter-item" @click="active = true">
	                <div :class="active ? 'active1':''">章节</div>
	                <div class="line" :class="active ? 'active2':''"></div>
	            </div>
	            <div class="chapter-item" @click="active = false">
                    <div :class="!active ? 'active1':''">下载资料</div>
                    <div  class="line" :class="!active ? 'active2':''"></div>
	            </div>
	        </div>
	    </div>
	    <div class="course" v-if='active'>
	        <div class="main">
	            <div class="introduction">
	                <div class="desc">
	                    该课程暂无介绍
	                </div>
	                <div class="btn">
                        <button class="btn-item active">立即购买</button>
                        <button class="btn-item">加入购物车</button>
	                </div>
	            </div>
	            <div class="video" v-for="item in courseChapters" :key="item.id">
                    <div class="chapterName">{{ item.chapterName }}</div>
                    <div class="chapterDesc">{{ item.description }}</div>
	                <ul class="videos">
	                    <li class="video-item" v-for="k in item.children" :key="k.id">
                            <div class="video-itemIcon">
                                <i class="el-icon-video-camera"></i>
                            </div>

                            <div class="item-name">
                                <span class="shipin">视频：</span>
                                <span class="chapterName">{{ k.chapterName }}</span>
                                <span class="free" v-if="k.publicType === 2">试看</span>
                            </div>
	                        <button class="btn-learn">开始学习</button>
	                        <div class="clearfloat"></div>
	                    </li>
	                </ul>
	            </div>
	        </div>
	    </div>
	    <div v-else>
	        <div v-if='attachments.length > 0'>
	            <div class="down" v-for='item in attachments' :key='item.id'>
	                <div class="source">
	                    <span class="downloadCourse">{{ item.attachmentName }}</span>
	                    <button class="downloadbtn">下载资料</button>
	                </div>
	            </div>
	        </div>
	        <div v-else>
	            <el-empty description="该课程暂无资料"></el-empty>
	        </div>
	    </div>
	</div>
	<Foot></Foot>
</template>

<script setup>
//mixin
import mixin from '../mixins/courseType.js'
let { courseTypeFn } = mixin();
//组件
import Header from '../components/common/Header.vue'
import Foot from '../components/common/Foot.vue'
//api
import { getCourseDetail } from '../utils/api/courseManage'

//切换章节和下载资料
let active = ref(true);
//通过路由参数拿到,课程id
import { useRoute } from 'vue-router'
let route = useRoute();
let courseId = route.params.id;
//课程详情的数据
let courseInfo = ref({});
//课程章节
let courseChapters = ref([]);
//课程下载资料
let attachments = ref([]);
//生命周期
onBeforeMount(()=>{
    getCourseDetail({
        courseId
    }).then(res=>{
        courseInfo.value = res.data.data;
        console.log( res.data.data );
        courseChapters.value = res.data.data.bizCourseChapters;
        attachments.value = res.data.data.bizCourseAttachments;
    })
})
</script>

<style scoped>
.courseContainer {
    width: 100%;
    height: 100%;
    background: #f8fafc;
    overflow: hidden;
}
.main {
    margin: 40px auto;
    width: 1200px;
    height: 100%;
}
.courseInfoTop {
    width: 100%;
    height: 200px;
    background-image: url("../assets/img/courseInfobg1920.png");
}
.nav-container {
    width: 1200px;
    margin: 0 auto;
    color: #333333;
    display: flex;
}
/* .chapter-item  .active{
    color: #388FFF;

} */
/* 背景部分开始 */
.courseInfoTop .info-container {
    margin: 0 auto;
    width: 1200px;
    height: 200px;
    color: #ffffff;
    z-index: 5;
}
.route {
    /*margin-left: 50px;*/
    padding-top: 20px;
    display: flex;
    font-size: 14px;
}
.route .route-item {
    margin-right: 10px;
}
.name {
    margin: 30px 0 10px 0px;
    font-size: 24px;
}
.info {
    display: flex;
    /*margin-left: 50px;*/
}
.info .Avat {
    width: 60px;
    height: 60px;
    border-radius: 50%;
}
.info .Avat img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
}
.teacherName {
    margin: 8px 0 0 8px;
}
.name-item img {
    width: 14px;
    height: 14px;
}
.access {
    margin: 0 0 0 100px;
    display: flex;
}
.access .access-item {
    margin-right: 10px;
    line-height: 60px;
}
/* 背景部分结束 */

/* 导航栏开始 */
.info-nav {
    width: 100%;

    background: #ffffff;
    box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.16);
}
.course {
    margin: 0 auto;
    width: 1200px;
}
.chapter {
    display: flex;
    font-weight: 600;
    color: #333333;
    margin-left: 50px;
    font-size: 20px;
}
.chapter-item {
    padding-bottom: 8px;
    font-size: 20px;
    font-weight: bold;
    line-height: 80px;
    margin-right: 70px;
    cursor: pointer;
    position: relative;
}
.chapter-item .active1 {
    color: #388fff;
}
.chapter-item .active2 {
    position: absolute;
    width: 70%;
    top: 63px;
    left: calc(30% / 2);
    height: 4px;
    background: #388fff;
    border-radius: 2px;
}

/* 导航栏结束 */
/* 课程介绍开始 */
.introduction {
    /*margin-left: 50px;*/
    /*padding: 20px;*/
    width: 1210px;
    background: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.09);
}
.desc {
    padding: 20px;
    color: #474747;
    line-height: 35px;
}
.btn {
    float: right;
    margin-top: 10px;
    padding: 0 20px 20px;
}
.btn-item {
    width: 120px;
    height: 40px;
    /*margin: 0 20px 0 0;*/
    padding: 0px;
    border: 0px;
    outline: none;
    color: #f11d1d;
    border-radius: 23px;
    cursor: pointer;
}
.btn .active {
    background: #f11d1d !important;
    color: #ffffff;
    margin-right: 10px;
}
/* 课程介绍结束 */

/* 视频目录开始 */
.video {
    margin: 20px 0;
    padding: 20px;
    width: 1170px;
    background: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.09);
}
.video .chapterName {
    font-weight: bold;
    font-size: 20px;
    color: #333333;
}
.video .free {
    padding-left: 20px;
    font-size: 14px;
    color: #388fff;
}
.chapterDesc {
    margin: 10px 0;
    font-size: 13px;
    color: #5c5c5c;
}
.video-item {
    height: 40px;
    line-height: 40px;
    padding: 5px 0;
    /*margin: 0 0 10px 0;*/
    border-radius: 8px;
}
.video-item:hover {
    cursor: pointer;
    background: rgba(53, 133, 255, 0.2);
    border-radius: 8px;
    color: #388fff !important;
}
.video-item .shipin {
    color: #333333;
    font-weight: bold;
}
.video-item .chapterName {
    font-size: 16px;
    font-weight: 400;
    color: #333333;
}
.video-itemIcon,
.item-name {
    float: left;
    padding-left: 10px;
}
.btn-learn {
    margin: 5px 5px 0 0;
    float: right;
    right: -100px;
    width: 80px;
    height: 30px;
    line-height: 30px;
    border: 0px;
    outline: none;
    color: #fff;
    background: #388fff;
    border-radius: 12px;
    cursor: pointer;
}
.clearfloat {
    clear: both;
}
/* 视频目录结束 */
.source {
    margin: 2px 0;
    padding: 5px;
    display: flex;
    justify-content: space-between;
    box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.09);
}
.down {
    margin: 10px auto !important;
    width: 1200px;
    height: 100%;
    padding: 5px;
    background: #ffffff;
    box-sizing: border-box;
    border-radius: 8px;
}
.down:first-child {
    margin: 40px 0 5px 0;
}
.downloadbtn {
    width: 100px;
    height: 30px;
    line-height: 30px;
    background: #388fff;
    border: none;
    border-radius: 8px;
    color: #fff;
    font-size: 14px;
    cursor: pointer;
}
</style>